# HG changeset patch # User paulson # Date 837090881 -7200 # Node ID bec272e3e888cdcaa95b52b4f7779e740ff2f6be # Parent e251196383cdc48e436f9f5552a31a2d555340fb Added insert_mono diff -r e251196383cd -r bec272e3e888 src/HOL/mono.ML --- a/src/HOL/mono.ML Thu Jul 11 15:13:52 1996 +0200 +++ b/src/HOL/mono.ML Thu Jul 11 15:14:41 1996 +0200 @@ -45,6 +45,10 @@ by (fast_tac (!claset addIs [prem RS subsetD]) 1); qed "INT1_mono"; +goal Set.thy "!!C D. C<=D ==> insert a C <= insert a D"; +by (Fast_tac 1); +qed "insert_mono"; + goal Set.thy "!!A B. [| A<=C; B<=D |] ==> A Un B <= C Un D"; by (Fast_tac 1); qed "Un_mono";